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49c299b694
Add bpf selftests and extend existing ones for a new function bpf_lookup_and_delete_elem() for (percpu) hash and (percpu) LRU hash map types. In test_lru_map and test_maps we add an element, lookup_and_delete it, then check whether it's deleted. The newly added lookup_and_delete prog tests practically do the same thing but additionally use a BPF program to change the value of the element for LRU maps. Signed-off-by: Denis Salopek <denis.salopek@sartura.hr> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/d30d3e0060c1f750e133579623cf1c60ff58f3d9.1620763117.git.denis.salopek@sartura.hr
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.